Best On-Premises Billing and Invoicing Software

Thanks to the implementation of the CRM Firmao software, you will create a customer database that allows you to shorten the time of customer acquisition, increase conversion at every stage of the sales process, as well as efficiently and comprehensively serve regular customers. Firmao helps to manage the work of the sales department, both in terms of the sales funnel, and acts as a contact center for regular customers of the company. Simple management of the customer base: - Multiple Sources of Opportunities - Automation of the sales process - Increasing the sales volume - Efficient contact with the customer - Comprehensive customer service - Execution of orders for customers It is implemented in companies where contact with leads or regular contractors is required. Firmao's CRM software is the best system for companies planning dynamic development. The implementation of Firmao's CRM is easy and quick. It takes about 1-2 weeks.

1CRM is the All-in-One CRM solution for your business. Available on the Cloud or On-Premise, with quote and orders management, calendar/email, project management, product catalogs, marketing automation, customer service, inventory management and more! Highly customizable to suit the unique needs of your business, including a free Mobile Client App 1CRM has got you (and your customers) covered, whether you are in the office, or on-the-go! A complimentary guided tour of the system, with a 30-day free trial offered to every client, you are sure to hit the ground running from day 1 of your 1CRM experience, with professional services and training available, onboarding could not be simpler.

IntegriBill, our 5th generation telecom billing and customer service application, was built to increase voice providers' profitability by meeting regulatory compliance requirements, improving productivity, minimizing fees and taxes, reducing churn and providing best in class management tools. All this has been accomplished by listening to our clients for more than 30 years. A few of the many features the application offers include: • Invoice Creation • Fully Integrated Tax Engine • Tax Mapping assistance • Jurisdiction determination and rating of call detail records • RESTful API • Traffic Analysis for Federal Universal Service Fund minimization • PIU Adjustments • Proper taxation of bundled sales items • White Label billing • ACH / Credit Card integration • Tax Exemption tracking SBS ensures that subscribers’ invoices are always in compliance with taxing authorities, including the assurance that your clients aren’t overpaying for telecom taxes.

Built around a single-file system, Plus & Minus is an integrated enterprise resource planning (ERP) financial platform. Plus & Minus has collaborative tools for accounting, purchasing, managing sales, and reporting operations. With Plus & Minus, users are able to manage core finance operations, track sales operations, generate custom business reports, and monitor business documents. Plus & Minus enables users to deploy on-premise or in the cloud.

ActiveCollab is a simple, yet powerful productivity and collaboration workspace helping service businesses thrive. It's your go-to tool if you're looking to streamline your workflows, improve teamwork, and scale. It's got all you need to manage your projects, time, and money: features for capacity planning and workload management, time tracking, project management, team and client collaboration and communication, invoicing, budgeting, and reporting. No matter how big your team is, with ActiveCollab, you can collaborate effectively, making sure nothing slips through the cracks. ActiveCollab helps you make better decisions and track progress throughout a project lifecycle, so you can ultimately deliver projects on time and within budget. What sets ActiveCollab apart is our customer-centric approach to building a product that's reliable and easy to use. Say goodbye to confusing dashboards and steep learning curves: we aim to keep it simple, so you can focus on what you do best.

Kontier is billing infrastructure built specifically for companies doing business in Europe. It takes care of the part that usually becomes increasingly difficult as a company grows: turning products, subscriptions, seats and usage into correct invoices, collecting the money, handling European tax rules and leaving behind accounting records that finance teams and auditors can actually work with.

Empowering Businesses Through Intelligent, Modern Payment Technology In a marketplace where efficiency, automation, and customer experience define success, business owners need more than just payment processing—they need smart, integrated software solutions that work seamlessly with every aspect of their operation. EzPay America stands at the intersection of payment technology and business innovation. With more than a decade of trusted service in the merchant services industry, we have evolved into a comprehensive resource for companies seeking guidance on the right software tools to power their growth. From POS systems and ACH platforms to AI-driven automation, inventory management, and digital invoicing, EzPay America provides clear, experience-backed advice to help business owners choose the right technology—without the confusion, sales hype, or hidden costs that dominate the industry. We bring: Expert insight into industry-leading software systems Customized recom

ChargeOver is a web-based standalone billing and invoicing software solution for businesses across industries. Affordable and feature-rich, this recurring billing and payments platform offers a host of functionalities including a self-service customer portal, standard or customized reporting, billing or invoicing setup options, and branding options for billing-related communications. By using ChargeOver, you can improve your service to customers, save time, and increase cash flow by automating recurring payments and subscriptions. Additional features include automated dunning; phone, chat, and email support; fully searchable database; customer payment portal, custom payment links; and more.

Self-hosted invoicing you own outright - no monthly fee, no cut of what you bill, no invoice cap. Estimates convert to invoices in one click, every document renders to a branded PDF, and clients open a public link without an account. Record part-payments and see what you are owed by client and by age. Recurring invoices draft each cycle for you to review; a unique period stamp means the same month can never draft twice. Nothing is emailed automatically - every client email is a button you press, sent through your own SMTP, each attempt logged. Version 3.1 adds emailed invoices and reminders plus an .ics feed of due dates, all shipped switched off. Also included: REST API with revocable keys, webhooks, an MCP endpoint for AI assistants, 2FA, OIDC sign-in, scheduled backups, audit log, dark mode. Plain PHP 8 + MySQL or SQLite, no framework, no build step. It never phones home. A live demo runs on the product page - it opens signed in, with no signup and no password.